A gym provides trainers, nutrition counselors as well as workout rooms and exercise classes. Each trainer and counselor keeps individual records for his or her clients. Each also gives clients specific recommendations for exercise and eating, and tracks client progress in his or her area of expertise. However, a trainer does not know the recommendations provided by a nutrition counselor to the same client, and vice versa. This is an example of
OA. Information silo
B. Information overload
O c. data branching
OD. encapsulation